Full list of all 62 Serious Sam 3: BFE achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 61 achievements, and there is 1 DLC pack containing 1 achievements.
Win 10 deathmatch games.
Win one My Burden match with at least 3 players.
Score a total of 10 points in CTF matches.
Make at least 3 kills in one Instant Kill match.
Win one round in Last Man Standing game with at least 4 players.
Complete The Guardian of Time in single player on serious difficulty without dying or loading.
Decipher all Egyptian texts.
Complete a Coin-op cooperative game on normal or higher difficulty.
Complete the campaign in cooperative with at least 2 players.
Pick up at least 10 extra life items.
Pick up 100 gold coins.
Find all secrets in single player.
Pierce 5 enemies with one Devastator round.
Complete the game in single player on unmodified serious difficulty.
Frag 20 players with the Sledgehammer.
Decorate the Christmas tree on each level to unlock Rodolfo player model.
Decorate the Christmas tree.
Complete a deathmatch game with at least 1 frag.
Complete the game in single player without manually reloading, aiming or sprinting.
Win a versus match.
Complete a Beast Hunt match
Earn a gold medal in Survival.
Use the Mutilator to surf after a Werebull.
Decapitate a Khnum.
Complete the game in single player in half the estimated time on each level.
Complete the single player campaign.
Awake the Guardian of Time.
Find the Vista secret.
Power up the Timelock.
Kill 20 enemies with the Minigun without releasing the trigger.
Rip out 10 Rocketeer hearts.
Kill a Witch-Bride of Achriman.
Blow a Major Biomechanoid into pieces.
Kill 5 Cave Demons while they're in air.
Rip Scrapjack's head off.
Perform all possible finishing moves in the game.
Kill an enemy using the Mutilator.
Solve the riddle of the Sphynx.
Find at least 50 secrets in single player.
Tear off 10 Kleer heads.
Kill an enemy with a gib torn from another enemy.
Smash 20 Kleers with the Sledgehammer.
Break 5 Arachnoid necks.
Secure the bird.
Gib 20 enemies from close range with a shotgun.
Rip 10 Juvenile spiders apart.
Remove 10 Gnaar eyes.
Squash 10 Hatchling spiders.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Break 10 Soldier necks.
Rescue professor Stein. So to say.
Complete any level in cooperative with at least 2 players.
Earn a medal in Survival.
Kill 3 enemies in one sprint with the Sledgehammer.
Kill at least 5 headless kamikazes in one explosion.
Complete any level in single player.
Decipher an Egyptian text.
Kill the kicked enemy while it is still in the air.
Find Sam's classic outfit
Complete the Jewel of The Nile single player campaign.